CN106127541A - A kind of credit assessment method based on negative investigation and system - Google Patents
A kind of credit assessment method based on negative investigation and system Download PDFInfo
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- CN106127541A CN106127541A CN201610416274.8A CN201610416274A CN106127541A CN 106127541 A CN106127541 A CN 106127541A CN 201610416274 A CN201610416274 A CN 201610416274A CN 106127541 A CN106127541 A CN 106127541A
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- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
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Abstract
The invention discloses a kind of credit assessment method based on negative investigation and system, correlation technique includes: bear the stage of selecting: client receives the authentic assessment grade for businessman and/or commodity that user sends, and selects one or more grade differed with this authentic assessment grade as the negative opinion rating for businessman and/or commodity；Transmission phase: the negative opinion rating for businessman and/or commodity is sent to server by client；Evaluation phase: server extracts businessman and/or merchandise news and negative opinion rating information from the negative opinion rating for businessman and/or commodity；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is modified；Evaluating data amount further according to businessman and/or commodity judges whether to be calculated and be shown the scoring of businessman and/or commodity.Scheme disclosed by the invention, can complete the credit appraisal to businessman and/or commodity in the case of ensureing user's authentic assessment information privacy.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of credit assessment method based on negative investigation and system.
Background technology
Popular and universal along with ecommerce, people also can get more and more at the thing of online purchase, such as article of everyday use,
Clothes, food even automobile.Shopping at network is convenient (can browse webpage whenever and wherever possible and do shopping) due to its shopping, price
Cheap (decreasing intermediate link, businessman is without paying the fringe costs such as StoreFront), type of merchandize is various, and selectivity is higher (to be passed through
The Internet you can buy commodity Anywhere, and without being limited by the restriction of region) etc. advantage, by more and more people's
Welcoming, this most also have stimulated the appearance of more and more on-line shop.
Being different from tradition shopping mode, user can only differentiate the matter of on-line shop's merchandising by the evaluating data of on-line shop
Amount.Therefore the quality of user comment has directly impact for the sales volume of businessman.And businessman is in order to obtain the favorable comment of user
Also moving heaven and earth, the middle difference that even have also appeared specialty comments amendment industry.They carry out one to the user commented that goes on business
Series harassing and wrecking, comment amendment the difference of seller until evaluating user or delete.Such as, night phone is harassed, and distributes the electricity of cloth user indiscriminately
Words to various websites, post taboo article to user or its household, on New Year's Day or other festivals if user does not still have after said process
Have and difference commented deletion or amendment, then their meeting of being also possible to " make house calls ".But, if user cannot stand their disturb
Disturb, have modified comment, then can affect other users judge to this on-line shop.This can produce for the development of whole e-commerce industry
Raw adverse influence.
In consideration of it, be necessary existing evaluation of programme is carried out in-depth study, to protect the privacy of user's evaluating data,
And realize the objective credit appraisal to businessman and/or commodity.
Summary of the invention
It is an object of the invention to provide a kind of credit assessment method based on negative investigation and system, by the side of negative investigation
Method, in the case of ensureing user's authentic assessment information privacy, completes the credit appraisal to businessman and/or commodity.
It is an object of the invention to be achieved through the following technical solutions:
A kind of credit assessment method based on negative investigation, including:
Bear the stage of selecting: client receives the authentic assessment grade for businessman and/or commodity that user sends, and selects one
Individual or the multiple grade differed with this authentic assessment grade is as the negative opinion rating for businessman and/or commodity；
Transmission phase: the negative opinion rating for businessman and/or commodity is sent to server by client；
Evaluation phase: server extracts businessman and/or commodity letter from the negative opinion rating for businessman and/or commodity
Breath and negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is modified；Root again
Judge whether to be calculated and be shown the scoring of businessman and/or commodity according to the evaluating data amount of businessman and/or commodity.
The described evaluating data amount according to businessman and/or commodity judges whether to be calculated and be shown businessman and/or commodity
Scoring includes:
Whether the evaluating data amount of businessman and/or commodity that judges is more than or equal to threshold value；
The most then it is distributed according to the negative opinion rating of businessman and/or commodity, estimates the distribution of positive opinion rating, further according to
The positive opinion rating distribution estimated calculates the scoring of businessman and/or commodity, and shows after being updated scoring；
If it is not, the most do not calculate the scoring the most not showing businessman and/or commodity.
The method that negative opinion rating selects includes: the negative investigation of the most negative investigation, non-homogeneous negative investigation or multiselect.
Negative opinion rating distribution according to businessman and/or commodity, the method estimating the distribution of positive opinion rating includes:
Negative investigation method of estimation NStoPS, NStoPS-I method or NStoPS-II method.
Negative opinion rating for businessman and/or commodity is sent to server by described client by safe lane；
Described server is for after receiving the negative evaluation information that client sends, to the identification information in information
Form is verified；If form is legal, then the evaluation information utilizing client to send is evaluated, and returns evaluation to client
Success message；Otherwise, evaluation failed message is returned to client.
A kind of credit evaluation system based on negative investigation, including:
Client, for negative select the stage time, receive that user sends for businessman and/or the authentic assessment etc. of commodity
Level, and select one or more grade differed with this authentic assessment grade as the negative evaluation for businessman and/or commodity
Grade；When being additionally operable to transmission phase, the negative opinion rating for businessman and/or commodity is sent to server；
Server, for when evaluation phase, extracts businessman from the negative opinion rating for businessman and/or commodity
And/or merchandise news and negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is entered
Row amendment；Judge whether to be calculated and be shown commenting of businessman and/or commodity further according to the evaluating data amount of businessman and/or commodity
Point.
Described server includes: judge module, based on the evaluating data amount according to businessman and/or commodity judges whether
Calculate and show the scoring of businessman and/or commodity, comprising:
Threshold value judgment module, for judging that whether the evaluating data amount of businessman and/or commodity is more than or equal to threshold value；
Scoring and display module, for when the evaluating data amount of businessman and/or commodity is more than or equal to threshold value, according to businessman
And/or the negative opinion rating distribution of commodity, estimate the distribution of positive opinion rating, further according to the positive opinion rating distribution estimated
Calculate the scoring of businessman and/or commodity, and show after scoring is updated；It is additionally operable to the evaluation when businessman and/or commodity
When data volume is less than threshold value, do not calculate the scoring the most not showing businessman and/or commodity.
The method that negative opinion rating selects includes: the negative investigation of the most negative investigation, non-homogeneous negative investigation or multiselect.
Negative opinion rating distribution according to businessman and/or commodity, the method estimating the distribution of positive opinion rating includes:
Negative investigation method of estimation NStoPS, NStoPS-I method or NStoPS-II method.
Described client includes: information sending module, for being commented for businessman and/or the negative of commodity by safe lane
Valency grade sends to server；
Described server includes: information authentication module, for after receiving the information that client sends, in information
Identification information form is verified；If form is legal, then the evaluation information utilizing client to send is evaluated, and to visitor
Family end returns evaluates success message；Otherwise, evaluation failed message is returned to client.
As seen from the above technical solution provided by the invention, the method by using negative investigation collects the scoring of user
Information, all of user merely provides the negative opinion rating of oneself, does not provide the authentic assessment grade of oneself, effectively protects
Protect the privacy of user's evaluation information.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
The flow chart of a kind of based on negative investigation the credit assessment method that Fig. 1 provides for the embodiment of the present invention；
The negative flow chart selecting the stage that Fig. 2 provides for the embodiment of the present invention；
The flow chart of the evaluation phase that Fig. 3 provides for the embodiment of the present invention；
The schematic diagram of a kind of based on negative investigation the credit evaluation system that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Inventive embodiment, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into protection scope of the present invention.
The present invention carries out credit appraisal based on negative investigation to businessman and/or commodity.Bear investigation by Esponda et al. at document
" Negative Surveys " (arXiv preprint math/0608176,2006) formally proposes.In traditional investigation
User needs according to self practical situation, answers the problem that investigator proposes, now assailant can by monitor or with
The methods such as investigator acts in collusion obtain the data of user.And in negative investigation, user has only to return one and own situation
The option not corresponded is to investigator, now, even if assailant obtains this option, also cannot learn the real information of user.And
Investigator is after obtaining the negative option that abundant user returns, it is possible to by the method for probability statistics, infer all
Distribution by investigation user's truthful data.And negative investigation is being investigated the simple to operate of end, amount of calculation is little, is very suitable for moving
Sensitive information among dynamic calculating is collected.At present, negative investigation has been applied among the data collection in many fields, such as Sensor Network
Information in network, geographical location information collection etc., but be not also applied to collect businessman or commodity evaluating data it
In.
As can be seen here, negative investigation is a kind of method of data capture that can protect user sensitive information privacy.Compared to biography
The formation gathering method of system, negative investigation only requires that user selects one and the inconsistent classification of self truth, and this makes
Assailant can only know that user is not belonging to some classification, and cannot further determine which classification user belongs to.In order to just
In understanding, below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment one
The embodiment of the present invention provides a kind of credit assessment method based on negative investigation；As it is shown in figure 1, it mainly includes as follows
Step:
Step 11, negative select the stage: client receives the authentic assessment grade for businessman and/or commodity that user sends,
And select one or more grade differed with this authentic assessment grade as the negative evaluation etc. for businessman and/or commodity
Level.
Specifically: user is when businessman and/or commodity are evaluated by needs, according to the real experiences of self, to business
Family and/or commodity are evaluated really.Now, by user in client input businessman and/or the authentic assessment grade of commodity,
Client, then according to the authentic assessment grade selected by user, carries out negative choosing, i.e. can select one or more and user is true
The different opinion rating of real opinion rating is as negative opinion rating, and this process is as in figure 2 it is shown, include:
Step 111, user input an authentic assessment grade according to real experiences by client.
The authentic assessment grade that step 112, client input according to user, selects and its different evaluations one or more
Grade, as businessman and/or the negative opinion rating of commodity.
Exemplary, the method herein bearing opinion rating selection includes but not limited to: the most negative investigation, non-homogeneous negative tune
Look into, multiselect bears investigation.
Step 12, transmission phase: the negative opinion rating for businessman and/or commodity is sent to server by client.
Complete negative select the stage after, i.e. can get one or more negative opinion rating, due to now, the businessman of user's input
And/or commodity authentic assessment grade has been replaced by negative opinion rating, so permissible the obtaining of the privacy of this authentic assessment grade
Well protection.
Step 13, evaluation phase: server extract from the negative opinion rating for businessman and/or commodity businessman and/
Or merchandise news and negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is carried out
Amendment；Evaluating data amount further according to businessman and/or commodity judges whether to be calculated and be shown the scoring of businessman and/or commodity.
Its detailed process is as it is shown on figure 3, include:
Step 131: server receives the negative evaluation information that client sends, and therefrom extracts the businessman that user is evaluated
And/or merchandise news, and bear opinion rating accordingly.
Step 132: corresponding evaluating data is modified by server according to the businessman extracted or merchandise news；Then
Whether the evaluating data amount of businessman and/or commodity that judges is more than or equal to threshold value；The most then proceed to step 133, otherwise proceed to step
134。
Step 133: be distributed according to the negative opinion rating of businessman and/or commodity, estimates the distribution of positive opinion rating, further according to
The positive opinion rating distribution estimated calculates the scoring of businessman and/or commodity, and shows after being updated scoring.
Step 134: do not calculate the scoring the most not showing businessman and/or commodity, i.e. them as new businessman or business
Product process.
In the embodiment of the present invention, by the method for the distribution of the positive opinion rating of the distribution estimating of negative opinion rating, it is contemplated that estimate
The reasonability of evaluation, can use NStoPS-I or NStoPS-II.NStoPS-I and NStoPS-II refers to the opinion of Bao et al.
Literary composition " Estimating positive surveys from negative surveys " (Statistics&Probability
Letters,2013)；Additionally, may be used without negative investigation method of estimation NStoPS of routine.
On the other hand, in the embodiment of the present invention, in order to ensure the safety of data, described client passes through safe lane will
Negative opinion rating for businessman and/or commodity sends to server；Described server is for receiving what client sent
After information, the identification information form in information is verified；If form is legal, then utilize the evaluation letter that client sends
Breath is evaluated, and returns evaluation success message to client；Otherwise, evaluation failed message is returned to client.
Embodiment two
The embodiment of the present invention provides a kind of credit evaluation system based on negative investigation, this system and preceding method embodiment phase
Corresponding；As shown in Figure 4, it specifically includes that
Client 41, for negative select the stage time, receive that user sends for businessman and/or the authentic assessment etc. of commodity
Level, and select one or more grade differed with this authentic assessment grade as the negative evaluation for businessman and/or commodity
Grade；When being additionally operable to transmission phase, the negative opinion rating for businessman and/or commodity is sent to server 42；
Server 42, for when evaluation phase, extracts businessman from the negative opinion rating for businessman and/or commodity
And/or merchandise news and negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is entered
Row amendment；Judge whether to be calculated and be shown commenting of businessman and/or commodity further according to the evaluating data amount of businessman and/or commodity
Point.
Described server 42 includes: judge module 421, for judging according to the evaluating data amount of businessman and/or commodity
The scoring of businessman and/or commodity is whether calculated and be shown, comprising:
Threshold value judgment module 4211, for judging that whether the evaluating data amount of businessman and/or commodity is more than or equal to threshold value；
Scoring and display module 4212, be used for when the evaluating data amount of businessman and/or commodity is more than or equal to threshold value, according to
The negative opinion rating distribution of businessman and/or commodity, estimates the distribution of positive opinion rating, further according to the positive opinion rating estimated
Distribution calculates the scoring of businessman and/or commodity, and shows after being updated scoring；It is additionally operable to when businessman and/or commodity
When evaluating data amount is less than threshold value, do not calculate the scoring the most not showing businessman and/or commodity.
In the embodiment of the present invention, the method that negative opinion rating selects includes: the most negative investigation, non-homogeneous negative investigation or many
The negative investigation of choosing.
In the embodiment of the present invention, it is distributed according to the negative opinion rating of businessman and/or commodity, estimates the distribution of positive opinion rating
Method include: negative investigation method of estimation NStoPS, NStoPS-I method or NStoPS-II method.
In the embodiment of the present invention, described client 41 includes: information sending module 411, is used for pin by safe lane
The negative opinion rating of businessman and/or commodity is sent to server；
Described server 42 also includes: information authentication module 422, for after receiving the information that client sends, right
Identification information form in information is verified；If form is legal, then the evaluation information utilizing client to send is commented
Valency, and return evaluation success message to client；Otherwise, evaluation failed message is returned to client.
It should be noted that the specific implementation of function that each functional module comprised in said system is realized exists
Each embodiment above has a detailed description, therefore has here repeated no more.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, only with above-mentioned each function
The division of module is illustrated, and in actual application, can distribute above-mentioned functions by different function moulds as desired
Block completes, and the internal structure of system will be divided into different functional modules, to complete all or part of merit described above
Energy.
Above-mentioned two embodiment of the present invention, mainly has the advantage that compared to prior art
1) first negative investigation is applied among the credit appraisal of businessman.
2) amount of calculation in client is little, simple to operate, it is only necessary to select one to differ with user's authentic assessment grade
Grade.Therefore, the present invention can be not only used for general purpose PC it can also be used to the relatively low equipment of computing capability is (such as movement
Equipment).
3) algorithm that each stage is used is the most relatively simple, it is achieved step is the most succinct.Therefore, the present invention is prone to real
Existing.
4) preferably solve user to grade the problem of secret protection, do not rely on other security protocols and certificate scheme,
Can be independently operated, and also can be used in mixed way with other security strategy.
Through the above description of the embodiments, those skilled in the art it can be understood that to above-described embodiment can
To be realized by software, it is also possible to the mode adding necessary general hardware platform by software realizes.Based on such understanding,
The technical scheme of above-described embodiment can embody with the form of software product, this software product can be stored in one non-easily
The property lost storage medium (can be CD-ROM, USB flash disk, portable hard drive etc.) in, including some instructions with so that a computer sets
Standby (can be personal computer, server, or the network equipment etc.) performs the method described in each embodiment of the present invention.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be as the criterion.
Claims (10)
1. a credit assessment method based on negative investigation, it is characterised in that including:
Negative select the stage: client receives the authentic assessment grade for businessman and/or commodity that user sends, and select one or
Multiple grades differed with this authentic assessment grade are as the negative opinion rating for businessman and/or commodity；
Transmission phase: the negative opinion rating for businessman and/or commodity is sent to server by client；
Evaluation phase: server extract from the negative opinion rating for businessman and/or commodity businessman and/or merchandise news with
And negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is modified；Further according to business
The evaluating data amount of family and/or commodity judges whether to be calculated and be shown the scoring of businessman and/or commodity.
A kind of credit assessment method based on negative investigation the most according to claim 1, it is characterised in that described according to businessman
And/or the evaluating data amount of commodity judges whether that the scoring that businessman and/or commodity are calculated and be shown includes:
Whether the evaluating data amount of businessman and/or commodity that judges is more than or equal to threshold value；
The most then it is distributed according to the negative opinion rating of businessman and/or commodity, estimates the distribution of positive opinion rating, further according to estimation
Positive opinion rating distribution out calculates the scoring of businessman and/or commodity, and shows after being updated scoring；
If it is not, the most do not calculate the scoring the most not showing businessman and/or commodity.
A kind of credit assessment method based on negative investigation the most according to claim 1, it is characterised in that negative opinion rating choosing
The method selected includes: the negative investigation of the most negative investigation, non-homogeneous negative investigation or multiselect.
A kind of credit assessment method based on negative investigation the most according to claim 2, it is characterised in that according to businessman and/
Or the negative opinion rating distribution of commodity, the method estimating the distribution of positive opinion rating includes:
Negative investigation method of estimation NStoPS, NStoPS-I method or NStoPS-II method.
A kind of credit assessment method based on negative investigation the most according to claim 1, it is characterised in that
Negative opinion rating for businessman and/or commodity is sent to server by described client by safe lane；
Described server is for after receiving the negative evaluation information that client sends, to the identification information form in information
Verify；If form is legal, then the evaluation information utilizing client to send is evaluated, and evaluates successfully to client return
Message；Otherwise, evaluation failed message is returned to client.
6. a credit evaluation system based on negative investigation, it is characterised in that including:
Client, for negative select the stage time, receive the authentic assessment grade for businessman and/or commodity that user sends, and
Select one or more grade differed with this authentic assessment grade as the negative opinion rating for businessman and/or commodity；
When being additionally operable to transmission phase, the negative opinion rating for businessman and/or commodity is sent to server；
Server, for when evaluation phase, extract from the negative opinion rating for businessman and/or commodity businessman and/or
Merchandise news and negative opinion rating information；Utilize negative opinion rating information that the evaluating data of businessman and/or commodity is repaiied
Change；Evaluating data amount further according to businessman and/or commodity judges whether to be calculated and be shown the scoring of businessman and/or commodity.
A kind of credit evaluation system based on negative investigation the most according to claim 6, it is characterised in that described server bag
Include: judge module, for judging whether businessman and/or business are calculated and be shown according to the evaluating data amount of businessman and/or commodity
The scoring of product, comprising:
Threshold value judgment module, for judging that whether the evaluating data amount of businessman and/or commodity is more than or equal to threshold value；
Scoring and display module, for when businessman and/or commodity evaluating data amount more than or equal to threshold value time, according to businessman and/
Or the negative opinion rating distribution of commodity, estimate the distribution of positive opinion rating, further according to the positive opinion rating distribution meter estimated
Calculate the scoring of businessman and/or commodity, and show after scoring is updated；It is additionally operable to the evaluation number when businessman and/or commodity
During according to amount less than threshold value, do not calculate the scoring the most not showing businessman and/or commodity.
A kind of credit evaluation system based on negative investigation the most according to claim 6, it is characterised in that negative opinion rating choosing
The method selected includes: the negative investigation of the most negative investigation, non-homogeneous negative investigation or multiselect.
A kind of credit evaluation system based on negative investigation the most according to claim 7, it is characterised in that according to businessman and/
Or the negative opinion rating distribution of commodity, the method estimating the distribution of positive opinion rating includes:
Negative investigation method of estimation NStoPS, NStoPS-I method or NStoPS-II method.
A kind of credit evaluation system based on negative investigation the most according to claim 6, it is characterised in that
Described client includes: information sending module, is used for the negative evaluation etc. for businessman and/or commodity by safe lane
Level sends to server；
Described server includes: information authentication module, for after receiving the information that client sends, to the identity in information
Identification information form is verified；If form is legal, then the evaluation information utilizing client to send is evaluated, and to client
Return and evaluate success message；Otherwise, evaluation failed message is returned to client.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416274.8A CN106127541A (en) | 2016-06-08 | 2016-06-08 | A kind of credit assessment method based on negative investigation and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610416274.8A CN106127541A (en) | 2016-06-08 | 2016-06-08 | A kind of credit assessment method based on negative investigation and system |
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ID=57270951
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145974A (en) * | 2017-04-25 | 2017-09-08 | 武汉理工大学 | A kind of method that negative investigation is implemented and reconstructs correction data |
| CN107145539A (en) * | 2017-04-21 | 2017-09-08 | 武汉理工大学 | A kind of method for handling unreasonable data in negative investigation |
| CN109308628A (en) * | 2017-07-28 | 2019-02-05 | 王春刚 | The method for evaluating trust and device of product |
| CN109409132A (en) * | 2018-10-26 | 2019-03-01 | 南京航空航天大学 | A kind of negative investigation method with personalized privacy protection function |
| CN116305262A (en) * | 2023-03-07 | 2023-06-23 | 安徽大学 | Social network topology privacy protection method based on negative investigation |
-
2016
- 2016-06-08 CN CN201610416274.8A patent/CN106127541A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145539A (en) * | 2017-04-21 | 2017-09-08 | 武汉理工大学 | A kind of method for handling unreasonable data in negative investigation |
| CN107145539B (en) * | 2017-04-21 | 2019-10-25 | 武汉理工大学 | A method of unreasonable data in the negative investigation of processing |
| CN107145974A (en) * | 2017-04-25 | 2017-09-08 | 武汉理工大学 | A kind of method that negative investigation is implemented and reconstructs correction data |
| CN107145974B (en) * | 2017-04-25 | 2020-10-30 | 武汉理工大学 | Method for implementing negative investigation and reconstructing positive data |
| CN109308628A (en) * | 2017-07-28 | 2019-02-05 | 王春刚 | The method for evaluating trust and device of product |
| CN109409132A (en) * | 2018-10-26 | 2019-03-01 | 南京航空航天大学 | A kind of negative investigation method with personalized privacy protection function |
| CN116305262A (en) * | 2023-03-07 | 2023-06-23 | 安徽大学 | Social network topology privacy protection method based on negative investigation |
| CN116305262B (en) * | 2023-03-07 | 2023-10-17 | 安徽大学 | Social network topology privacy protection method based on negative investigation |
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